9fc29dbbb8
Previously, border with '0' was ambiguous. Sometimes we treated it as hairline borders, sometimes as "don't show the border", though even in the latter case we did some graphics work sometimes. Now we have an explicit BorderStyle.none flag to not draw the border efficiently.
109 lines
3.0 KiB
Dart
109 lines
3.0 KiB
Dart
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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import 'stock_data.dart';
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import 'stock_arrow.dart';
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import 'stock_row.dart';
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class StockSymbolView extends StatelessWidget {
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StockSymbolView({ this.stock });
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final Stock stock;
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@override
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Widget build(BuildContext context) {
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String lastSale = "\$${stock.lastSale.toStringAsFixed(2)}";
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String changeInPrice = "${stock.percentChange.toStringAsFixed(2)}%";
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if (stock.percentChange > 0)
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changeInPrice = "+" + changeInPrice;
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TextStyle headings = Theme.of(context).textTheme.body2;
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return new Container(
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padding: new EdgeInsets.all(20.0),
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child: new Column(
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children: <Widget>[
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new Row(
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children: <Widget>[
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new Text(
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'${stock.symbol}',
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style: Theme.of(context).textTheme.display2
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),
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new Hero(
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key: new ObjectKey(stock),
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tag: StockRowPartKind.arrow,
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turns: 2,
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child: new StockArrow(percentChange: stock.percentChange)
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),
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],
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mainAxisAlignment: MainAxisAlignment.spaceBetween
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),
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new Text('Last Sale', style: headings),
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new Text('$lastSale ($changeInPrice)'),
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new Container(
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height: 8.0
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),
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new Text('Market Cap', style: headings),
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new Text('${stock.marketCap}'),
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new Container(
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height: 8.0
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),
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new RichText(
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text: new TextSpan(
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style: DefaultTextStyle.of(context).merge(new TextStyle(fontSize: 8.0)),
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text: 'Prices may be delayed by ',
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children: <TextSpan>[
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new TextSpan(text: 'several', style: new TextStyle(fontStyle: FontStyle.italic)),
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new TextSpan(text: ' years.'),
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]
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)
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),
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],
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mainAxisAlignment: MainAxisAlignment.collapse
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)
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);
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}
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}
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class StockSymbolPage extends StatelessWidget {
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StockSymbolPage({ this.stock });
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final Stock stock;
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@override
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Widget build(BuildContext context) {
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return new Scaffold(
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appBar: new AppBar(
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title: new Text(stock.name)
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),
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body: new Block(
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children: <Widget>[
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new Container(
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margin: new EdgeInsets.all(20.0),
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child: new Card(child: new StockSymbolView(stock: stock))
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)
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]
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)
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);
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}
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}
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class StockSymbolBottomSheet extends StatelessWidget {
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StockSymbolBottomSheet({ this.stock });
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final Stock stock;
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@override
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Widget build(BuildContext context) {
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return new Container(
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padding: new EdgeInsets.all(10.0),
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decoration: new BoxDecoration(
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border: new Border(top: new BorderSide(color: Colors.black26))
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),
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child: new StockSymbolView(stock: stock)
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);
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}
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}
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